Contact Green Mountain Energy
New York customers can reach Green Mountain Energy at 1-800-636-5690. Contact information for other states is below.
Residential Customer Service
You can contact Green Mountain Energy customer service with questions about service, rates, billing, and more. Contact information depends on which state you live in:
| State | Main Phone Number | New Customers | Hours |
|---|---|---|---|
| Illinois | 1-800-274-5289 | 1-855-IL-GOGREEN (1-855-454-6473) | 7AM - 5PM, Monday through Friday (CST) |
| Maryland | 1-877-473-3646 | 1-855-MD-GOGREEN (1-855-634-6473) | 8AM - 6 PM, Monday through Friday (EST) |
| New Jersey | Contact New Jersey government's Energy Choice line at 1-800-624-0241 | ||
| New York | 1-800-636-5690 | 1-877-216-4632 | 8AM - 6 PM, Monday through Friday (EST) |
| Oregon | Contact Oregon government's Energy Choice line at 1-800-522-2404 | ||
| Pennsylvania | 1-800-286-5856 | 1-855-PA-GOGREEN (855-724-6473) | 8AM - 6 PM, Monday through Friday (EST) |
| Texas | 1-866-785-4668 | 1-866-301-3120 |
General Customer Service:
New Customers:
|
New Jersey customers of Green Mountain Energy should contact their local utility for customer service needs.
Email or Contact Online
Depending on your state, you can contact Green Mountain Energy via email or on an online form regarding service questions, rate issues, and more.
| State | Email Address | Online Form |
|---|---|---|
| Illinois | [email protected] | Contact Green Mountain Energy online in IL |
| Maryland | [email protected] | Contact Green Mountain Energy online in MD |
| New Jersey | Contact Green Mountain Energy online in NJ | |
| New York | [email protected] | Contact Green Mountain Energy online in NY |
| Oregon | Contact Green Mountain Energy online in OR | |
| Pennsylvania | [email protected] | Contact Green Mountain Energy online in PA |
| Texas | Contact Green Mountain Energy online in TX |
Contact By Mail
New Jersey and New York customers can write to the following address:
Green Mountain Energy Company
342 Broadway, Box 318
New York, NY 10013
Commercial Customers
Commercial customers can reach Green Mountain Energy via telephone or email.
| State | Customer Service Phone Numbers | Hours | Email Address |
|---|---|---|---|
| New York | 1-800-455-8545 | 8:30 AM - 7 PM, Monday through Friday | [email protected] |
| New Jersey | 1-888-232-3658 | 8:00 AM - 7 PM, Monday through Friday | [email protected] |
| Pennsylvania | 1-888-232-3658 | 8:00 AM - 7 PM, Monday through Friday | [email protected] |
| Texas | New Customers: 855-GMEC-4TX (855-463-2489) Existing Customers: 1-866-280-3603 |
7:00 AM - 7 PM, Monday through Friday | [email protected] |
Corporate Contacts
Green Mountain Energy's headquarters is located at the following address:
Green Mountain Energy
300 West 6th Street, Suite 1600
Austin, Texas 78701
Phone Numbers
You can reach the corporate office at 1-512-691-6100. A corporate employee directory is available at 1-888-380-9410.
Further Information
Read more about Green Mountain Energy, check out customer reviews for the company, or compare reviews with other suppliers.
You can also read about Green Mountain Energy rates in New York state.